Abstract
We calculate the expression forΔ -s in terms of true anomalies and classical orbital elements, referring to a common fixed plane and working up to power four of eccentricities and tangents of inclinations. We obtained two final results: the first wheny ′>y, the second wheny>y ′.
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Kamel, O.M., Bakry, A.A. Expansion of the inverse of mutual distance between two bodies raised to any power. Astrophys Space Sci 78, 3–26 (1981). https://doi.org/10.1007/BF00654020
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DOI: https://doi.org/10.1007/BF00654020